Answer:
450
Explanation:
subtract 25 divide by 2 add to 400
 
        
             
        
        
        
We have the same last name
        
                    
             
        
        
        
Viruses need to be inside a living thing (of course the living thing has to have the right temperature which most living things do) . When they're inside a living thing they start injecting the host's cells with its DNA in order to make more copies of itself which allows the virus to spread. So basically viruses need to be inside something living.
        
             
        
        
        
Color I believe because if a diamond was the same color as coal(black) you couldn’t tell a difference